Allentown Weather Forecast

    • 52
    • 77

    Increasing Clouds

    • 51
    • 76

    Partly Sunny

    • 53
    • 80

    Mostly Sunny

    • 44
    • 73

    Mostly Sunny

    • 54
    • 74

    Partly Sunny

    • 56
    • 74

    Slight Chance Thunderstorms

Today 16 Sep Allegany

Sunny. Highs Ranging from the mid 70s on the Hilltops to the upper 70s across the lower Elevations. Light northeast Winds.

Tonight 16 Sep Allegany

Mainly clear in the Evening, then becoming partly cloudy with some patchy fog developing overnight. Lows in the lower 50s. Light east Winds.

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Allentown Temperature Statistics

September Temperature

Wellsville, Wellsville Municipal Airport (4.3 miles)

  • Lowest 8 September, 2025

    43 °F

  • Average September

    59.6 °F

  • Highest 14 September, 2025

    77 °F

Climate (2020–Present)

Wellsville, Wellsville Municipal Airport (4.3 miles)

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  • Average Low 2020–2025

    40.2 °F

  • Average 2020–2025

    48.5 °F

  • Average High 2020–2025

    57.1 °F
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